package sword;

/**
 * @Author: 海琳琦
 * @Date: 2022/5/31 15:54
 * https://leetcode.cn/problems/fei-bo-na-qi-shu-lie-lcof/
 */
public class Title10I {

    public int fib(int n) {
        if (n == 0) {
            return 0;
        } else if (n == 1) {
            return 1;
        }
        int[] dp = new int[n + 1];
        dp[0] = 0;
        dp[1] = 1;
        for (int i = 2; i <= n; i++) {
            dp[i] = (dp[i - 1] + dp[i - 2]) % 1000000007;
        }
        return dp[n];
    }

    public static void main(String[] args) {

    }
}
